102 
Table A-1. Wetland area, perimeter, surface area and volume statistics for Chesapeake Bay tidal fresh and 
oligohaline segments. 
Chesapeake Bay Program Segment 
Wetland 
Acreage 
(acres) 
Segment 
Perimeter 
(meters) 
Segment 
Surface Area 
(meters 2 ) 
Segment 
Volume 
(meters 1 ) 
Surface Area 
to Volume 
Ratio 
Western Branch Patuxent River-tidal fresh region 
WBRTF 
5181 
131511 
Appomattox River-tidal fresh region 
APPTF 
168938 
8011611 
1510000 
5.3 
Piscataway Creek-tidal fresh region 
PISTF 
15219 
3708997 
2850000 
1.3 
Chester River-tidal fresh region 
CHSTF 
60350 
4084016 
3362500 
1.2 
Pocomoke River-tidal fresh region 
POCTF 
77456 
3998871 
4470000 
0.9 
Nanticoke River-tidal fresh region 
NANTF 
69276 
4608463 
6615000 
0.7 
Mattawoman Creek-tidal fresh region 
MATTF 
37045 
7280895 
9500000 
0.8 
* Patuxent River-tidal fresh region 
PAXTF 
55373 
4408622 
11025000 
0.4 
*Choptank River-tidal fresh region 
CHOTF 
153218 
9466475 
15322500 
0.6 
Bohemia River-oligohaline region 
BOHOH 
79964 
11927636 
17000000 
0.7 
Pocomoke River-oligohaline region 
POCOH 
116755 
13821501 
18000000 
0.8 
Back River-oligohaline region 
BACOH 
64832 
16175354 
22375000 
0.7 
C&D Canal-oligohaline region 
C&DOH 
35654 
3565828 
24130000 
0.1 
Middle River-oligohaline region 
MIDOH 
93914 
16214070 
25000000 
0.6 
Northeast River-tidal fresh region 
NORTF 
40617 
15817689 
26500000 
0.6 
*Patuxent River-oligohaline region 
PAXOH 
76397 
14243456 
27180000 
0.5 
Chester River-oligohaline region 
CHSOH 
124641 
14790537 
28875000 
0.5 
Nanticoke River-oligohaline region 
NANOH 
238038 
16455330 
45000000 
0.4 
*Choptank River-oligohaline region 
CHOOH 
142681 
14477365 
45125000 
0.3 
Chickahominy River-oligohaline region 
CHKOH 
355816 
27969270 
48562500 
0.6 
Bush River-oligohaline region 
BSHOH 
107046 
30542696 
49250000 
0.6 
* Rappahannock River-oligohaline region 
RPPOH 
112097 
19536530 
53580000 
0.4 
Gunpowder River-oligohaline region 
GUNOH 
163323 
41998392 
64250000 
0.7 
Sassafras River-oligohaline region 
SASOH 
161366 
33085712 
84187500 
0.4 
Elk River-oligohaline region 
EFKOH 
138710 
37270004 
101250000 
0.4 
* Rappahannock River-tidal fresh region 
RPPTF 
252716 
36503308 
107437500 
0.3 
James River-tidal fresh region 
JMSTF 
562776 
95301848 
286187500 
0.3 
Chesapeake Bay-tidal fresh region 
CB1TF 
216814 
151620944 
360000000 
0.4 
James River-oligohaline region 
JMSOH 
271459 
127749032 
431500000 
0.3 
* Potomac River-tidal fresh region 
POTTF 
365926 
153841616 
484750000 
0.3 
*Potomac River-oligohaline region 
POTOH 
312495 
214963696 
852250000 
0.3 
Chesapeake Bay-oligohaline region 
CB20H 
246410 
275239520 
1237000000 
0.2 
*Segments with similar characteristics or geographically close to the Mattaponi and Pamunkey segments. 
Source: Chesapeake Bay Program http://chesapeakebay.net/data 
appendix a 
